MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, directing users to potentially malicious or phishing websites. Heuristics indicate these links are hosted on compromised CMS uploads and disposable domains, suggesting a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://wastran.ru/uplcv?utm_term=bts+bon+voyage+season+4+ep+1+eng+sub PDF link annotation
- https://tnmkor.com/FileData/ckfinder/files/20210912_5B01505FB0D10BFD.pdfIn PDF document text
- https://hankilfood.com/userfiles/file/20210904171526.pdfIn PDF document text
- http://le-nora.com/userfiles/file/rewuvedobokasozuj.pdfIn PDF document text
- https://ourlady-schools2.com/userfiles/files/62836744316.pdfIn PDF document text
- http://onthebroadway.com/CPD/adminpanel/upload/file/bowizu.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/3609442913.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/49260937383.pdfIn PDF document text
- http://xn--80aafbladvtgxneccoge3bt.xn--p1ai/pict/file/tepibufiz.pdfIn PDF document text
- http://w-mill.jp/images/file/vamiguwamasisug.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/cbdd7b4222fd262fbf3ec99a27a5013a/65739416560.pdfIn PDF document text
- http://bjdfszwy.com/filespath/files/20210901205236.pdfIn PDF document text
- http://teplorium.su/userfiles/file/39990827312.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/49651532657.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/41196033207.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/xawodutoninot.pdfIn PDF document text
- https://tourpon.kr/FileData/ckfinder/files/20210922_3C5A01ACDE830D58.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/73748324913.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151b98bab5ce---mosamuxinimijexaribudubiz.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/dejufufuwupiteletan.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/numulefajabojumufu.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/tedafowogubazasebodo.pdfIn PDF document text
- https://rwd1.thadv.com/upload/files/figavixivixe.pdfIn PDF document text
- http://e-instar.com/userfiles/file/68688320277.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16138411c614b6---mewiviwijetukoku.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB444 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC5B | 10792 bytes |
SHA-256: 5cb981f39cee2f8f83a3184c7c0a9ca1b4297b84dc492c4bdd9c6456904eeac9 |
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font_02_sfnt_off0000e557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE557 | 19488 bytes |
SHA-256: d8a3180f7ed0b34377ac8b57c5bf11c0b6d54e8b83ca04145a95993189727a97 |
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